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11. In dogs, the allele for black hair (B) is dominant over the allele for brown hair (b).
The allele for short hair (H is dominant over the allele for long hair (h). A dog that is heterozygous for both black hair and short hair (BbHh) and a dog that is heterozygous for black hair and homozygous for long hair (Bbhh) have one offspring.


a. Use the multiplication rule and the addition rule to find the probability that the offspring has black hair. Show your work. (2 points)


b. Use the multiplication rule and the addition rule to find the probability that the offspring has long hair. Show your work. (2 points)


c. What is the probability that the offspring has long black hair? Show your work. (2 points)